摘要: http://acm.hdu.edu.cn/showproblem.php?pid=2688 #include<iostream>#include<cstring>using namespace std;#define ll __int64#define maxn 10001int a[3000001],n,m;ll c[maxn];int lowbit(int x) { retur... 阅读全文
posted @ 2012-09-15 17:33 Yogurt Shen 阅读(191) 评论(0) 推荐(0) 编辑